William atwell and robert floeter



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W. ATWBLL an R. PL'OETER. RIDDLE FOR BXTRAGTING. GOGKLB ANDy WILD PBASVPROM GRAIN. No.. $21,881.-

PatentedJuly 7. 1885 i@ P .O P O l l l l i l n l l oooooooo oooooooo ooooooo OOO O 0,0 O

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warena* WILLAM ATWELL AND ROBERT FLOETER, OF CHATHAM, ONTARO, CANADA, ASSIGNORS OF ONE-THIRD TO MANSON CAMPBELL, OF SAME PLACE.

RIDDLE FOR EXTRACTING COCKLE AND WlLD PEAS FROM GRAIN.

SPECIFICATION forming part of Letters Patent No. 321,881, dated July 7, 1885 Application iledrApril 1l, 1884. (No model.) Patented in Canada February 4, 1884, No. 18,614.

To all whom it may concern: through the sieves A B to the chute F, which Be it known that we, VILLIAM ATWELL conducts them beyond the machine.

and. ROBERT FLOETER, both subjectsof the G is a cross-bar, extending across the frame Queen of Great Britain, and both residents of D and closing the space between the end of 5 5 5 the town of Chatham, in the county of Kent, the sieve B and the bottom E, to prevent any in the Province of Ontario, Canada, carpenof the impurities passing over the end oi' said ters, have invented certain new and useful Irnbottom E. provements on Riddles for Extracting Cockle G is another cross-bar, situated at the end and Wild Peas from Grain, of which the folof the sieve A and extending across the frame 6o 1o lowing is a'specication. D, but very thin, so as not to interfere with This invention relates to a screen or sieve the impurities passing through the sieve A which is placed in a grain-separator to remove from passing to the mouth of the chuteF when the cockle and wild peas from the grain; and the riddle is agitated. it consists of the improved construction and A thin narrow strip of the adjacent upper 65 i5 combination of parts of the same, as will be edge of each of these cross-bars G G is cut hereinafter more fully described and claimed, away to permit the slide H to rest on and be reference bei ng had to the accompanying drawguided true as it is moved back and forth unings, whereinderneath the sieve B. By moving this slide Figure 1 is a plan view of a riddle embody- H underneath the sieve B, seed of any kind is 2o ing our invention. Fig. 2 is a side elevation prevented from passing through it.

of same. Fig. 8 is a cross-sectional view on This riddleis secured in and agitated with the line x @c of Fig. 2. the upper shoe of a grain-separator. The grain A B C designate three different grades of tlrst falls on the sieve A of this riddle, where sieves rmly secured on the upper side of the the cockle and other small seeds are extracted 2 5 frame D. In Fig. lof annexed drawings these by passing through the perforations in said sieves are only shown partly perforated; but sieve A and falling on the close bottom E.

they are intended to have their entire surfaces rlhe grain, as well asthe wild peas or tare, perforated. The perforations in thesieve A passes ou over the sieveB, where the wild are about one-eighth of an inch in'diameter, peas and any stray seeds of cockle which may SO 3o large` enough to allow the cockle and other loe carried on that far are extracted by passsmall seeds to pass through perfectly free. ing through the perfoiations in the sieve B. The perforationsin the sieve B are about three- The grain then passes on and falls through the siXteenths of an inch in diameter, large enough perforations in the sieve C, and passes to the r to allow wild peas or tare to pass through pergrading-sieves underneath, the cockle, wild S 5 35 fectly free. The perforations in the sieve C peas, and otherimpuritiespassingto themouth are about one-quarter of an inch in diameter, of the chute F, which delivers them beyond large enough to allow the grain to pass through the machine. freely. The straws, thistle-heads, and other Having thus described our invention, we coarserimpurities pass on and over off the ridclaim 9o 1to dle at the back of the machine. rlhe combination of the frame D, screens A E designates a tapered close bottom, eon- B C, close bottom E, chute F, cross-bars G G, structed of sheet-iron or other suitable mateand slide H, substantially as shown and derial, secured to the under side of the frame D, scribed, and for the purpose specified. and situated a short distance below and eX- In testimonywhereof we affix our signatures 95 45 tending beneath the surfaces of the sieves A in the presence of the two undersigned witand B only. This close bottom E is inclined nesses.

from the end d toward the line x an, as shown VVILLAM ATVELL. in Fig. 2 of annexed drawings, and it also in- ROBERT FLOETER. clines from the sides toward the center, as Vitnesses: y

5o shown in Fig. 3 of annexed drawings, for the MANsoN CAMPBELL, purpose of conducting the impurities passing P. J. EDMUNDs. 

